18895989 (number)

18895989 is an odd 8-digits composite number following 18895988 and preceding 18895990. In scientific notation, it is written as 1.8895989 × 10^7. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 10440000 positive integers (up to 18895989) that are relatively prime to 18895989.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred ninety-five thousand nine hundred eighty-nine

Notation

Scientific notation 1.8895989 × 10^7
Engineering notation 1.8895989 × 10^6

Prime Factorization of 18895989

Prime Factorization 21 × 151 × 101 × 59

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18895989
Product of the distinct prime numbers

The prime factorization of 18895989 is 21 × 151 × 101 × 59. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 100, 81, 616, 966, 5601, 2818, 59608, 24042, 136446, 908106, 5175286, 7995336, 78947263, 59668177, 12548704, 203701571, 1465933468, 6180830519

Basic calculations (n = 18895989)

Multiplication

n×y
n×2 37791978
n×3 56687967
n×4 75583956
n×5 94479945

Division

n÷y
n÷2 9447994.5
n÷3 6298663
n÷3 4723997.25
n÷5 3779197.8

Exponentiation

ny
n2 357058400288121
n3 6.7469716042019E+21
n4 1.2749070121631E+29
n5 2.4090628877857E+36

Nth Root

y√n
2√n 4346.9516905528
3√n 266.3523558936
4√n 65.931416567163
5√n 28.528170767301

Divisors of 18895989

1, 21, 59, 101, 151, 1239, 2121, 3171, 5959, 8909, 15251, 125139, 187089, 320271, 899809, 18895989

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18895988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18895989 can be divided by 16 positive divisors. The sum of these divisors (counting 18895989) is 1, the average is 0.0625.

Base conversion 18895989

Base System Value
2 Binary 1001000000101010001110101
3 Ternary 1022120000102110
4 Quaternary 1020011101311
5 Quinary 14314132424
6 Senary 1513001233
8 Octal 110052165
10 Decimal 18895989
12 Duodecimal 63b3219
16 Hexadecimal 1205475
20 Vigesimal 5i1jj9
36 Base36 b908l

Cryptographic Hash Functions

md5 23cedbaf4a43c423d2ff53be416544ff
sha1 4c56f05d65c83010c0d6b7a101ad55cc8df3f6a4
sha256 75bb17a8f608a8965d8fa027aa971761ef91a1aa760eb432acc5e7da8993e9b0
sha512 78a26bd4d1f0e616a011ca0208fbeb0a9fec7e29bbcdc3d90b64a8e908d470713fd13a61878c46360899a24302daad21b8bc8986e70d33108b35ac6ad9f01b19
ripemd-160 2592552ad1279b0cf8fc8cc656de99ab47fde511

18895989 as geometric shapes

Circle

Radius = n
Diameter 37791978
Circumference 118727000.44943
Area 1.1217320472477E+15

Sphere

Radius = n
Volume 2.8261648567653E+22
Surface area 4.4869281889907E+15
Circumference 118727000.44943

Square

Length = n
Perimeter 75583956
Area 357058400288121
Diagonal 26722963.918253

Cube

Length = n
Surface area 2142350401728726
Volume 6.7469716042019E+21
Space diagonal 32728813.007263

Equilateral Triangle

Length = n
Perimeter 56687967
Area 1.5461082264207E+14
Altitude 16364406.503631

Triangular Pyramid

Length = n
Surface area 1.5461082264207E+14
Volume 7.9513822896738E+20
Height 8907654.6394176